Husqvarna 596274401 Anti-Sway Bar – OEM Replacement Part (Replaces 400337)

Overview

Upgrade your mower's stability with a genuine Husqvarna anti-sway bar, part number 596274401. This OEM component is designed to replace 400337 and to fit specific Husqvarna models that require this exact part. While it’s compatible with a range of Husqvarna-produced brands (including AYP, Craftsman, Jonsered, McCulloch, Poulan, Poulan Pro, RedMax, Sears, and Weed Eater), the most reliable fit comes from matching the model, specification, and serial numbers rather than appearances alone.

The anti-sway bar is built for dependable operation in the field. Its sturdy construction and precise dimensions help maintain a steady deck and reduce side-to-side movement on uneven terrain. When installed correctly, you may notice smoother handling and a more confident mowing experience as you work across slopes, ruts, or softened ground.

What you gain

• Enhanced stability on uneven turf, reducing deck sway during cutting
• Reduced chassis wobble to support more controlled steering and manual handling
• Durable, OEM-grade steel designed for lasting performance under typical mowing conditions
• Reliable compatibility with Husqvarna models that require this specific part number

To ensure the best results, verify your model, spec, and serial number before purchasing. This avoids mismatches and helps ensure the part aligns with your mower’s mounting points and linkage geometry.

Compatibility and installation tips

• Commonly used with Husqvarna models that require part 596274401
• May also support other Husqvarna-produced brands that list this part number
• Plan for a proper installation by referencing your service manual or consulting a professional if needed

Brand-new and genuine, this part arrives as an OEM replacement ready for installation. While installation ease can vary by model, using the OEM part helps preserve the intended performance characteristics of your Husqvarna lawn tractor without guessing at fit. Consider this part as a potential step toward restoring consistent mowing performance and familiar handling.